[dev-haskell/hsql-sqlite] remove, not needed

also it was renamed to dev-haskell/hsql-sqlite3 in Portage
[dev-haskell/hdbc-postgresql] import from Portage to fix compilation

fixes:
https://github.com/haskell/cabal/issues/1467
[dev-haskell/hdbc-sqlite] remove, Portage ebuild works